Square D EJB34045 Molded Case Circuit Breaker – 15A – 3-Pole / 3-Phase – 480Y/277V AC – High-Intensity Discharge – Bolt-On – NF Panelboard Series

The Square D EJB34045 is a 15A, 3-pole, 3-phase bolt-on molded case circuit breaker manufactured by Square D / Schneider Electric. It is designed for use with compatible Square D NF Panelboards.

The breaker features a thermal-magnetic trip unit and a signal indicator that indicates when a trip has occurred. It is calibrated for 40°C operation and includes aluminum lugs for line and load connections.

The EJB34045 is HID-rated and HACR-rated, with UL Listing as a High-Intensity Discharge circuit breaker.

Specifications:

• Manufacturer: Square D / Schneider Electric
• Product Type: Molded Case Circuit Breaker
• Product Family: NF Panelboards
• Catalog No.: EJB34045
• Current Rating: 15A
• Number of Poles: 3-Pole
• Phase: 3-Phase
• Voltage Rating: 480Y/277V AC
• Mounting / Connection: Bolt-On
• Protection Type: Thermal-Magnetic
• Trip Unit: Thermal-Magnetic
• Signal Indicator: Yes
• Hold Current: 270A
• Trip Current: 875A
• Temperature Calibration: 40°C
• Terminal Type: Aluminum Lugs
• Aluminum Conductor Range: AWG 12–6
• Copper Conductor Range: AWG 14–6
• Application: Square D NF Panelboards / Electrical Distribution
• Ratings: CSA Rated, HID Rated, HACR Rated
• Brand: Square D / Schneider Electric

Part Numbers & Identification:

• Manufacturer Part Number (MPN): EJB34045
• Catalog Number: EJB34045
• Model: EJB34045
• Brand: Square D
• Manufacturer: Schneider Electric
• Product Type: Molded Case Circuit Breaker
• Product Family: NF Panelboards
• Breaker Configuration: 3-Pole, 15A
• Mounting Type: Bolt-On
• UPC:
  785901130628

Compatibility:

Designed for use with compatible Square D NF Panelboards that accept EJB Series bolt-on molded case circuit breakers. The EJB34045 provides 15A, 3-pole thermal-magnetic protection for compatible 480Y/277V AC applications.

The breaker includes aluminum lugs supporting AWG 12–6 aluminum and AWG 14–6 copper conductors. Always verify the specific panelboard model, approved breaker type, system voltage, conductor size, terminal requirements, and installation specifications before installation.

Certifications:

• CSA Rated
• UL Listed as High-Intensity Discharge (HID)
• HID Rated
• HACR Rated

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You may return items within 10 days of delivery for a refund.

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